Code
OB
Status
Informal (Van Adrichem Boogaert & Kouwe 1994).
Lithological description
Claystone, sandstone and some carbonates.
Depositional setting
Marine.
Definition of lower boundary
Not yet determined.
Definition of upper boundary
Conformable or mildly unconformable contact with the overlying, massive carbonates of the Carboniferous Limestone Group.
Thickness indication
Up to 306 m in KTG-01.
Geographical distribution
Regional correlation
UK: ?; GER: ?; BEL: ?.
Age
Devonian - earliest Carboniferous.
Holostratotype
Well:
Not yet determined.
Depth (thickness) AH:
Not yet determined.
Comments:
Only a few wells in the southern Netherlands have reached the Pre-Carboniferous. The limited data do not allow a formal lithostratigraphical description of the strata encountered.
Origin of name
Named after a shoal off the coast of the island of Schouwen-Duiveland.
Previous name(s)
None.
Reviewed by (date)
Tom van Hoof (2017).
References
Van Adrichem Boogaert, H.A. & Kouwe, W.F.P. 1994. Stratigraphic nomenclature of The Netherlands; revision and update by RGD and NOGEPA, Section B, Devonian and Dinantian. Mededelingen Rijks Geologische Dienst, 50, 1-20.
Cite as
TNO-GDN ([YEAR]). Banjaard group. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/banjaard-group.